
<script setup lang="ts">
// 定义组件名称
defineOptions({
  name:'LoginPage'
})
import { mobileRules,passwordRules,codeRules} from '@/utils/rules'
import { showToast,type FormInstance,showNotify  } from 'vant';
import { onUnmounted, ref } from 'vue'
import {loginByPasswordAPI,sendMobileCodeAPI,loginByMobilAPI} from '@/services/user'
import { useUserStore } from '@/stores/modules/user';
import router from '@/router';
import { useRoute } from 'vue-router';

const fn=()=>{
  router.push('/register')
}

//定义响应式数据
const mobile = ref('13230000019')
const password = ref('')
const isArgee = ref(false)
//切换密码或验证码登录
const isPass = ref(true)
//code校验码
const code = ref('')
// 控制密码是否显示
const show = ref(false)
const form = ref<FormInstance>()

//倒计时
const time = ref(0)
let timeId:number

const store = useUserStore()
const route = useRoute()

//点击登录
const login = async() =>{
 if(!isArgee.value) return showToast('请勾选我已同意');
  const res = isPass.value ? await loginByPasswordAPI(mobile.value,password.value) : await loginByMobilAPI(mobile.value,code.value)
  store.setUser(res.data)
  //路由跳转，如果有历史记录就跳，不然就跳到个人中心
  router.push((route.query.returnUrl as string) || '/user')
  //提示用户
  showToast('登录成功')
  
}

 //发送验证码
 const send = async() => {
  // 已经倒计时time的值大于0，此时不能发送验证码
  if(time.value > 0) return
  await form.value?.validate('mobile')
  const res = await sendMobileCodeAPI(mobile.value,'login')
  console.log('验证码',res.data.code);
  showNotify({
    message:res.data.code,
    duration:6000,
    color:'black',
    background:'skyblue'
  })
  //倒计时
  clearInterval(timeId)
  timeId = window.setInterval(()=>{
    time.value--
    if(time.value <=0){clearInterval(timeId)}
  },1000)
 }
 onUnmounted(()=>{
  // 组件销毁时，清除定时器
  window.clearInterval(timeId)
})


//切换密码和短信验证码
const onchangePass = ()=>{
  isPass.value = !isPass.value
  // 重置表单
  form.value?.resetValidation()
}
</script>

<template>
    <div class="login-page">
    <cp-nav-bar
    title="登录"
    right-text="没有账号？去注册"
    @click-right="fn"
    ></cp-nav-bar>
    <!-- 头部 -->
    <div class="login-head">
      <h3>{{ isPass ? '密码登录' : '短信验证码登录'}}</h3>
      <a href="javascript:;" @click="onchangePass">
        <span>{{ !isPass ? '密码登录' : '短信验证码登录'}}</span>
        <van-icon name="arrow"></van-icon>
      </a>
    </div>
    <!-- 表单 -->
    <van-form autocomplete="off" @submit="login">
      <van-field placeholder="请输入手机号" type="tel" :rules="mobileRules" v-model="mobile" name="mobile"></van-field>
      <van-field
        v-if="isPass"
        v-model="password"
        :rules="passwordRules"
        placeholder="请输入密码"
        :type="show ? 'text' : 'password'"
      >
      <template #button>
          <cp-icon @click="show = !show" :name="`${show ? 'login-eye-on' : 'login-eye-off'}`"></cp-icon>
        </template>
      </van-field>
      <van-field v-else placeholder="短信验证码" :rules="codeRules" v-model="code" name="code">
        <template #button>
          <span class="btn-send" @click="send" :class="{ active: time > 0 }">{{ time > 0 ? `${time}s后再次发送` : '发送验证码' }}</span>
        </template>
      </van-field>
      <div class="cp-cell">
        <van-checkbox v-model="isArgee">
          <span>我已同意</span>
          <a href="javascript:;">用户协议</a>
          <span>及</span>
          <a href="javascript:;">隐私条款</a>
        </van-checkbox>
      </div>
      <div class="cp-cell">
        <van-button block round type="primary" native-type="submit">登 录</van-button>
      </div>
      <div class="cp-cell">
        <a href="javascript:;">忘记密码？</a>
      </div>
    </van-form>
    <!-- 底部 -->
    <div class="login-other">
      <van-divider>第三方登录</van-divider>
      <div class="icon">
        <img src="@/assets/qq.svg" alt="" />
      </div>
    </div>
  </div>
</template>


<style scoped lang=scss>
.login {
  &-page {
    padding-top: 46px;
  }
  &-head {
    display: flex;
    padding: 30px 30px 50px;
    justify-content: space-between;
    align-items: flex-end;
    line-height: 1;
    h3 {
      font-weight: normal;
      font-size: 24px;
    }
    a {
      font-size: 15px;
    }
  }
  &-other {
    margin-top: 60px;
    padding: 0 30px;
    .icon {
      display: flex;
      justify-content: center;
      img {
        width: 36px;
        height: 36px;
        padding: 4px;
      }
    }
  }
}
.van-form {
  padding: 0 14px;
  .cp-cell {
    height: 52px;
    line-height: 24px;
    padding: 14px 16px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    .van-checkbox {
      a {
        color: var(--cp-primary);
        padding: 0 5px;
      }
    }
  }
  .btn-send {
    color: var(--cp-primary);
    &.active {
      color: rgba(22,194,163,0.5);
    }
  }
}
</style>